| Banks & financial institutions |
| ABN AMRO Bank |
| allpay |
| Alvarez & Marsal |
| ARC Ratings |
| Asecuris Asset Management Advisory |
| Baillie Gifford & Co |
| Bank of Baroda |
| Bank of England |
| Bankhawk |
| BayernLB |
| BCB Group |
| BDO |
| BlackRock |
| BNY |
| Brit Insurance |
| British International Investment |
| Brown & Brown |
| Canada Life |
| Coalition Greenwich |
| Countryside Partnerships |
| DNB Bank |
| Editions Financial |
| Emirates |
| Exness |
| Financial Conduct Authority |
| Financial Markets Standards Board |
| First Abu Dhabi Bank |
| Form3 |
| Gleacher Shacklock |
| Grant Thornton |
| Hastings Insurance Services |
| Jefferies International |
| Just Retirement |
| Kantox |
| Law Debenture |
| LiquidityEdge |
| Lloyd's Register of Shipping |
| Mangopay |
| Mitsubishi HC Capital UK |
| Moneybox |
| Natixis |
| OCBC London Branch |
| Phoenix Group |
| Pinnacle Trade Finance |
| PKF |
| Quilter |
| RAC |
| Radius |
| Resolution Life Group |
| RMB South Africa |
| Rothschild |
| RSA Insurance |
| SAP Fioneer |
| Scotiabank |
| Shawbrook Bank |
| Silver Birch Finance |
| St James's Place Wealth Management |
| Trading 212 |
| United Overseas Bank |
| Visa |
| Wells Fargo |
| World First |
| WorldPay |
| ZEN.COM |
| Zodia Markets |
| Consultancies & suppliers to treasury |
| 360 Treasury Systems |
| Actualize Consulting |
| Addleshaw Goddard |
| Airswift |
| Arlingclose |
| Bolderhill |
| Brambles Holdings UK |
| Calastone |
| Chalhoub |
| Clyde & Co |
| Computershare |
| Corium Treasury |
| Dept Agency |
| Dukes & King |
| Ernst & Young |
| Eversheds Sutherland International |
| FTI Treasury |
| Insignis Cash |
| JECARO |
| MCM Creative Architecture |
| Munix |
| Noonah |
| OneAdvanced |
| Pure Search |
| Redbridge Debt & Treasury Advisory |
| Rodford & Partners |
| Savills Financial Consultants |
| Slaughter & May |
| Sodexo Live! |
| Strategic Proposals |
| Tenet Search |
| TradeWeb |
| Treasury Experts |
| Treasury Management International |
| We Are Coolbox |
| Your Treasury |
| Non-financial corporate organisations |
| 2 Sisters Food Group |
| 3i Group |
| ABP |
| Adecco Group |
| Agant |
| AIR Global |
| Aman |
| Anglian Water |
| Anglo American |
| Archax |
| ASOS |
| Associated British Ports |
| Avis Budget Group |
| Awaze |
| Babcock International Group |
| BAE Systems |
| Balfour Beatty |
| Barratt Redrow |
| BBC |
| Belron International |
| BHP |
| Biogen |
| Boldyn Networks |
| BPCE Equipment Solutions |
| Bunzl |
| BUPA |
| Cadeler |
| Cadent Gas |
| Canary Wharf Group |
| Carbonplace |
| Centrica |
| Cero Generation |
| Chemring Group |
| Colt Lux Group Holding |
| Compass |
| ContourGlobal |
| Co-Operative Group |
| Daily Mail & General Trust |
| DCU Business School |
| Dechra Pharmaceuticals |
| Deliveroo |
| Dentsu International |
| Direct Wines |
| Domino's Pizza Group |
| Dowlais Group |
| Dr Martens |
| Drax Group |
| Dunelm |
| Dwr Cymru Welsh Water |
| easyJet |
| EG Group |
| Eku Energy |
| emh group |
| EON |
| Equinor |
| European Metal Recycling |
| Fairview New Homes |
| FCA Group |
| Ferguson |
| Field |
| First Quantum Minerals |
| Fortris |
| Frictionless Markets |
| Froneri International |
| Future |
| GlaxoSmithKline |
| Golding Homes |
| Grosvenor |
| GXO Logistics |
| Gymshark |
| Haleon |
| Hammerson |
| Heathrow Airport |
| Helleniq Energy |
| Hilton |
| Huawei |
| International Airlines Group |
| ICC United Kingdom |
| IFS |
| IHG |
| IMI |
| Imperial Brands |
| Inchcape |
| INEOS |
| Inside Ideas Group |
| Inside Travel Group |
| InterContinental Hotels |
| Intertek Group |
| ISS World |
| J Murphy & Sons |
| John Lewis Partnership |
| Johnson Matthey |
| Jones Lang LaSalle |
| Just Eat |
| Kerry Group |
| Kingfisher |
| Kingston University |
| Kodak Alaris |
| Landsec |
| Liberty Global |
| Lidl |
| LRQA Group |
| Lucy Group |
| Luxfer Group |
| Mana Opco |
| Marks & Spencer |
| McBride |
| Mclaren Group |
| Melrose |
| Menzies Aviation Group |
| Metal Choirs |
| Minerals Development Oman |
| Mitie Group |
| Mitsubishi |
| Mobico Group |
| Morgan Sindall Group |
| National Gas Transmission |
| National Grid |
| NES Fircroft |
| Nestlé |
| newcleo |
| NowCm |
| NSG |
| Ocado |
| Ontic Engineering and Manufacturing UK |
| P&O Ferries Division Holdings |
| Peel Ports |
| Pelican Engineering |
| Pennon |
| Pepco Group |
| PGA European Tour |
| Pharmanovia |
| PPD Global |
| Reach |
| Reconomy |
| RELX |
| Renishaw |
| Rentokil Initial |
| Revantage UK |
| Rio Tinto |
| Rolls-Royce |
| Rotork |
| Royal Mail |
| RSK Group |
| Sainsbury's |
| Saint-Gobain |
| Scottish Power |
| SEFE Marketing and Trading |
| SEFE Securing Energy for Europe |
| Segro |
| Severn Trent Water |
| SGN |
| Sheffield Hallam University |
| Shell |
| Sky |
| Smith & Nephew |
| Smiths Group |
| Smiths News |
| Sonova |
| Spirax Group |
| SSE |
| SSP Group |
| Stability AI |
| Stagecoach |
| Stellantis |
| Superstruct Entertainment |
| Tech Mahindra |
| Tesco |
| Thames Water |
| The Clancy Group |
| TI Fluid Systems |
| Tideway |
| Tishman Speyer |
| Travelodge |
| Trifast |
| Trillium Flow Technologies |
| Two Roads |
| United Utilities |
| Uniun |
| University of Birmingham |
| University of Oxford |
| Urenco |
| Victoria |
| Virgin Management |
| Virgin Media |
| Viridor |
| Wessex Water |
| Westfalia Fruit |
| Wyndham Worldwide Corporation |
| Yorkshire Water |
| Zodiac Maritime |
| Public sector, third sector & not-for-profit |
| DCC |
| Clarion Housing Group |
| Community Products UK |
| Department of Finance Government of Dubai |
| Department of Finance Sharjah |
| Loan Market Association |
| MBDA |
| Peabody |
| Places for People |
| Platform Housing Group |
| Regenda Homes |
| UK Export Finance |
| UK T+1 Accelerated Settlement Taskforce |